Let's Get Ready to Read! Starter Box Set with 159-Page Reusable Deluxe Workbook Safety is Priority 1: Each set comes with 130 non-magnetic manipulatives and a large magnetic work surface. The box is EXPANDABLE! We offer workbooks categorized into Pre-Reading and Beginning Reading & Math. We offer over 500 worksheets organized into 17 workbooks with more to come in 2011. The worksheets are reusable. Watch your child practice a particular skill until it is mastered. One box serves all. Multi-level worksheets allow one box to serve a variety of skill levels.